Home / 86,923,376.28-119,955,214.17-47,765,163.15

Finding the Fourth Proportional to 86,923,376.28, 119,955,214.17 and 47,765,163.15

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Solution

The fourth proportional to 86,923,376.28, 119,955,214.17 and 47,765,163.15 is: 65,916,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,923,376.28 : 119,955,214.17 = 47,765,163.15 : x
  2. Step 2: Convert to fraction form
    86,923,376.28/119,955,214.17 = 47,765,163.15/x
  3. Step 3: Cross multiply
    86,923,376.28x = 119,955,214.17 × 47,765,163.15
  4. Step 4: Simplify right side
    86,923,376.28x = 5,729,680,375,523,242
  5. Step 5: Solve for x
    x = 5,729,680,375,523,242/86,923,376.28
  6. Step 6: Final answer
    x = 65,916,449.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.